gensvm_sparse.h

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#ifndef GENSVM_SPARSE_H
#define GENSVM_SPARSE_H

// includes
#include "gensvm_globals.h"

// type declarations

struct GenSparse {
    long nnz;
    long n_row;
    long n_col;

    double *values;
    long *ia;
    long *ja;
};

struct GenSparse *gensvm_init_sparse(void);
void gensvm_free_sparse(struct GenSparse *sp);
long gensvm_count_nnz(double *A, long rows, long cols);
bool gensvm_nnz_comparison(long nnz, long rows, long cols);
bool gensvm_could_sparse(double *A, long rows, long cols);
struct GenSparse *gensvm_dense_to_sparse(double *A, long rows, long cols);
double *gensvm_sparse_to_dense(struct GenSparse *A);

#endif